package cn.gcxy.javase.base;

public class day1_2 {
	public static void main(String args[]) {
		int s2 = 1, sum = 0, s3 = 0;
		for (int i = 0; i < 45; i++) {
			s3 = sum;
			sum = sum + s2;
			s2 = s3;
		}
		System.out.println("The 45th number's value:" + sum);
	}
}